550217757 has 8 divisors (see below), whose sum is σ = 733940320. Its totient is φ = 366653520.

The previous prime is 550217741. The next prime is 550217761. The reversal of 550217757 is 757712055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550217757 - 2⁴ = 550217741 is a prime.

It is a super-2 number, since 2×550217757² = 605479160236222098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550217797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31219 + ... + 45552.

It is an arithmetic number, because the mean of its divisors is an integer number (91742540).

Almost surely, 2^550217757 is an apocalyptic number.

It is an amenable number.

550217757 is a deficient number, since it is larger than the sum of its proper divisors (183722563).

550217757 is a wasteful number, since it uses less digits than its factorization.

550217757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79163.

The product of its (nonzero) digits is 85750, while the sum is 39.

The square root of 550217757 is about 23456.7209345211. The cubic root of 550217757 is about 819.4293853893.

The spelling of 550217757 in words is "five hundred fifty million, two hundred seventeen thousand, seven hundred fifty-seven".